Definition of rooming-in in English:

rooming-in

noun

US
  • Originally and chiefly: the accommodation together in a hospital of a newborn baby and its mother so that she can care for it as much as possible. Subsequently also: a similar arrangement for a parent and sick child. Originally and frequently attributive.

Origin

1940s. From rooming + in. Compare later to room in.

Pronunciation

rooming-in

/ˌruːmɪŋˈɪn//ˌrʊmɪŋˈɪn/